#D21833
Closest named color: Cherry (#CF0234). oklch(55.3% 0.212 22.2), rgb(210, 24, 51).
Aa
White text reads best on this color (5.35:1).
About this color
#D21833 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.212 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.014 away. White text reads best on it, at 5.35:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.212) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.91:1 |
| White text | 5.35:1 |
Values
| HEX | #D21833 |
| RGB | rgb(210, 24, 51) |
| HSL | hsl(351, 79%, 46%) |
| OKLCH | oklch(55.3% 0.212 22.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #D21833 | 5.35:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #D21833 | 3.91:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #D21833 text on white | 5.35:1 | AA | Lc 74.5 | Content text, not long reading |
| #D21833 text on black | 3.91:1 | AA large text | Lc -27.2 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E1
oklch(93.6% 0.028 23.2)
-
Step 200
200
#FBCCC9
oklch(88.5% 0.054 22.5)
-
Step 300
300
#F8A8A5
oklch(80.8% 0.095 21.8)
-
Step 400
400
#F17574
oklch(70.7% 0.153 22.2)
-
Step 500
500
#E84850
oklch(63.1% 0.196 22.1)
-
Step 600
600 (this color)
#D21833
oklch(55.3% 0.212 22.2)
-
Step 700
700
#B60127
oklch(49.1% 0.197 22.1)
-
Step 800
800
#940E21
oklch(42.7% 0.164 22.3)
-
Step 900
900
#771920
oklch(37.7% 0.128 22.2)
-
Step 950
950
#461113
oklch(26.9% 0.081 22.4)
#D21833 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #595232 | 0.236 |
| Deuteranopia (no green cones) | #86782C | 0.213 |
| Tritanopia (no blue cones) | #E70026 | 0.042 |
| Achromatopsia (no color) | #6B6B6B | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D21833
#D21833
oklch(55.3% 0.212 22.2)
- #00828A
#00828A
oklch(55.2% 0.094 202.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #D21833, closest first.
No curated palette has a color within ΔE 0.04 of #D21833.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.014
- Crimson #DC143C ΔE 0.022
- Lipstick #D5174E ΔE 0.033
- Ruby #CA0147 ΔE 0.037
- Lipstick Red #C0022F ΔE 0.043
- Rose Red #BE013C ΔE 0.050
- Scarlet #BE0119 ΔE 0.051
- Dull Red #BB3F3F ΔE 0.054
Use #D21833 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.